import java.util.Scanner;
public class Algorithm {
    public static void main(String []args){
        //输入
        Scanner scanner =new Scanner(System.in);
        System.out.println("请输入要计算的数字1：");
        int one =scanner.nextInt();
        System.out.println("请输入要计算的数字2：");
        int tom =scanner.nextInt();
        //四则运算
        System.out.println("加法运算"+(one+tom));
        System.out.println("减法运算"+(one-tom));
        System.out.println("乘法运算"+(one*tom));
        System.out.println("除法运算"+(double)(one/tom));
    }
}
